FR2947302B1 - METHOD FOR ADAPTING A SCR CATALYST SYSTEM OF A COMBUSTION ENGINE - Google Patents

METHOD FOR ADAPTING A SCR CATALYST SYSTEM OF A COMBUSTION ENGINE

Info

Publication number
FR2947302B1
FR2947302B1 FR1054935A FR1054935A FR2947302B1 FR 2947302 B1 FR2947302 B1 FR 2947302B1 FR 1054935 A FR1054935 A FR 1054935A FR 1054935 A FR1054935 A FR 1054935A FR 2947302 B1 FR2947302 B1 FR 2947302B1
Authority
FR
France
Prior art keywords
adapting
combustion engine
catalyst system
scr catalyst
scr
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1054935A
Other languages
French (fr)
Other versions
FR2947302A1 (en
Inventor
Christian Walz
Frank Schweizer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2947302A1 publication Critical patent/FR2947302A1/en
Application granted granted Critical
Publication of FR2947302B1 publication Critical patent/FR2947302B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402—Exhaust gas composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
FR1054935A 2009-06-25 2010-06-22 METHOD FOR ADAPTING A SCR CATALYST SYSTEM OF A COMBUSTION ENGINE Expired - Fee Related FR2947302B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009027184A DE102009027184A1 (en) 2009-06-25 2009-06-25 Method for adaptation of catalyst system to internal combustion engine of e.g. passenger car, involves determining long-term adaptation factor based on deviation between actual and reference values of dosage amount

Publications (2)

Publication Number Publication Date
FR2947302A1 FR2947302A1 (en) 2010-12-31
FR2947302B1 true FR2947302B1 (en) 2015-01-09

Family

ID=43217667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1054935A Expired - Fee Related FR2947302B1 (en) 2009-06-25 2010-06-22 METHOD FOR ADAPTING A SCR CATALYST SYSTEM OF A COMBUSTION ENGINE

Country Status (3)

Country Link
DE (1) DE102009027184A1 (en)
FR (1) FR2947302B1 (en)
IT (1) IT1401093B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5559230B2 (en) * 2012-04-03 2014-07-23 本田技研工業株式会社 Exhaust gas purification system for internal combustion engine
DE102012105953A1 (en) 2012-07-04 2014-01-09 Emitec Gesellschaft Für Emissionstechnologie Mbh Method for determining reductant slip
AT512514B1 (en) 2012-08-21 2013-09-15 Avl List Gmbh Method for model-based control of an SCR system having at least one SCR catalytic converter
FR3013761B1 (en) * 2013-11-28 2015-12-04 Peugeot Citroen Automobiles Sa METHOD OF DEPOLLUTING THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE
CN115977777B (en) * 2023-03-22 2023-06-23 潍柴动力股份有限公司 Correction method and related device for front-stage and rear-stage nitrogen-oxygen sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004046640B4 (en) 2004-09-25 2013-07-11 Robert Bosch Gmbh Method for operating an internal combustion engine and device for carrying out the method
DE102005042489A1 (en) 2005-09-07 2007-03-08 Robert Bosch Gmbh Method for operating an internal combustion engine and device for carrying out the method
DE102005042490A1 (en) 2005-09-07 2007-03-08 Robert Bosch Gmbh Operating process for internal combustion engine involves reporting difference in calculated masses of nitrogen oxides in time sequence
DE102005042487A1 (en) 2005-09-07 2007-03-08 Robert Bosch Gmbh Method for operating an internal combustion engine and device for carrying out the method

Also Published As

Publication number Publication date
ITMI20101104A1 (en) 2010-12-26
IT1401093B1 (en) 2013-07-12
DE102009027184A1 (en) 2010-12-30
FR2947302A1 (en) 2010-12-31

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